Ok. The link I found previously is [1]. But executing the command provided in that link doesn't work either. dbus-send --type=method_call \ --dest=org.gnome.ScreenSaver \ /org/gnome/ScreenSaver \ org.gnome.ScreenSaver.Lock
I appreciate any suggestions or comments. Many thanks. [1]. https://unix.stackexchange.com/questions/86221/how-can-i-lock-my-screen-in-gnome-3-without-gdm/86275#86275 Sep 5, 2021, 17:32 by sterbl...@tutanota.com: > I switched to use i3. So now after the screen goes blank, it won't display > greeter asking to login again. I read somewhere else on the internet that > gdm3 (I use Debian 11 with kernel 5.10.0-8-amd64) no longer uses screensaver > to lock the session. Instead it uses dbus to activate login asking user to > enter id, password for login. However I don't find any related solutions that > work. The closest one is [1] (sorry it's Ubuntu env not Debian). But > executing that command (in [1]), > > > dbus-send --type=method_call \ > --dest=org.gnome.ScreenSaver \ > /org/gnome/ScreenSaver \ > org.gnome.ScreenSaver.Lock > > login screen doesn't come back. So what command should I use so that when the > system becomes idle, the login screen will be active? > > I tried configuring gnome-control-center's Privacy > Screen Lock > Automatic > Screen Lock set to on (round icon moved to right). And Automatic Screen Lock > Delay is set to 30 seconds. However, it's still active (when becoming idle, > screen won't be lock with login display). > > What steps should I perform in order to lock the screen with login being > displayed? I know there is xscreensaver. But this time I want to use login > instead of xscreensaver, which is nice of course. > > Thanks > > [1]. > https://askubuntu.com/a/983451 >